//method that will be called when an unprocessed order is added to the orderprocessing
public void unProcessedOrderAddedToBuffer(int destinationSupplierID)
{
//the order that was added is intended for this supplier
if (destinationSupplierID == this.supplierID)
{
//get the encrypted order from the order processor
string encryptedOrderToProcess = OrderProcessing.getUnProcessedOrder(this.supplierID);
//decrypt the string and assign it to an Order Object
Order newOrderToProcess = Decoder.Decrypt(encryptedOrderToProcess);
//validate the order
Boolean orderIsValid = validateOrder(newOrderToProcess);
//if the order is valid
if (orderIsValid)
{
//set order as a valid order
newOrderToProcess.ValidOrder = true;
}
//create new thread and send to order processed as processed order
//this occurs regardless of whether or not the order was validated
//this thread is just creating a new thread to run the method after the =>
Thread threadToProcessOrder = new Thread(() => OrderProcessing.addProcessedOrder(this.supplierID, Encoder.Encrypt(newOrderToProcess)));
//start thread
threadToProcessOrder.Start();
}
}
//Takes an order decrypts it and creates a new thread to submit the order
//to the order processing object
private void placeOrder(Order orderToPlace)
{
//encrypt order the order to string
string encryptedOrder = Encoder.Encrypt(orderToPlace);
//create thread to place order
Thread threadToPlaceOrder = new Thread(() => OrderProcessing.addUnProcessedOrder(orderToPlace.HotelSupplierID, encryptedOrder));
threadToPlaceOrder.Start();
}
public HotelSupplier(int supplierID)
{
this.supplierID = supplierID;
numPriceCuts = 0;
//get first random number
price = numGenerator.Next(MIN_PRICE, MAX_PRICE);
//subscribe to the orderprocessing object to know
//when an unprocessed order has been submitted
OrderProcessing.callMethodWhenAnNewOrderIsSubmitted(unProcessedOrderAddedToBuffer);
}
public TravelAgency(int agencyID)
{
this.agencyID = agencyID;
//apply for a credit card number
creditCardNumber = Bank.applyforCreditCard();
//subscribe the travel agency to the OrderProcessing so it can be informed
//when an order has been reviewed by the hotel supplier
//Without this, the travel agency would never know when their order had been reviewed
//the travel agency has to confirm the order when it is returned.
OrderProcessing.callMethodWhenAnOrderIsProcessed(processedOrderAddedToBuffer);
}
public void processedOrderAddedToBuffer(int destinationTravelAgency)
{
//the order that was added is intended for this travel agency
if (destinationTravelAgency == this.agencyID)
{
//get the encrypted order from the order processor
string encryptedOrderToConfirm = OrderProcessing.getProcessedOrderForAgencyID(this.agencyID);
//decrypt the string and assign it to an Order Object
Order newOrderToProcess = Decoder.Decrypt(encryptedOrderToConfirm);
//print or store a confirmation of the order
confirmOrder(newOrderToProcess);
}
}